ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Net Revenue	$ 118,810	$ 107,593	$ 231,159	$ 199,033
Radio Advertising [Member]
Net Revenue	44,518	42,605	83,645	75,944
Political Advertising [Member]
Net Revenue	1,839	500	2,371	1,280
Digital Advertising [Member]
Net Revenue	17,881	15,016	33,363	25,369
Cable Television Advertising [Member]
Net Revenue	29,120	22,968	59,535	43,670
Cable Television Affiliate Fees [Member]
Net Revenue	24,318	25,396	50,288	50,883
Event Revenues & Other [Member]
Net Revenue	$ 1,134	$ 1,108	$ 1,957	$ 1,887